Combined erectable hydraulic drilling rig and transport trailer



FIG. 1 is a left side perspective view of a combined erectable hydraulic drilling rig and transport trailer showing my new design;

FIG. 2 is a right side perspective view thereof;

FIG. 3 is a left side elevational view with the drilling rig in transport position and the deck surrounding the top portion of the rig removed for ease of illustration, the opposite side being substantially identical.

The undisclosed bottom of the combined erectable hydraulic drilling rig and transport trailer is plain and unornamented. 

The ornamental design for a combined erectable hydraulic drilling rig and transport trailer, as shown and described. 